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Voltage Regulator 7809

A 78xx voltage regulator. (Enlarge)

Circuit symbol 78xx voltage regulator.

Symbol Description Value
Type Fixed voltage regulator
Vin Input Voltage Max. 35 V
Vout Output voltage 9 V
Iout Output current Max. 1 A
VDO Drop-Out Voltage 2,0 V
Casing TO220

Technical data of a 7809


  • Voltage regulator for fixed negative voltages can be found in the 79xx-family.

You find a detailed description of how to connect the 78xx in the topicĀ  "Voltage Regulator".

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